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Cheap flights from San Francisco to London from $384

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from San Francisco to London departing on 12/31. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

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Cheap round-trip flights

Enter your travel dates to find the best prices.
Scandinavian Airlines Logo
4:40 pm - 9:40 pm
SFO
-
LHR
21h 00m1 stop
Scandinavian Airlines Logo
5:00 pm - 2:35 pm
LHR
-
SFO
29h 35m1 stop
$594Scandinavian Airlines
Sat, Jan 10 - Wed, Jan 14
TAP AIR PORTUGAL Logo
4:35 pm - 9:50 am
SFO
-
LGW
33h 15m1 stop
TAP AIR PORTUGAL Logo
9:25 pm - 3:35 pm
LGW
-
SFO
25h 10m2 stops
$595TAP AIR PORTUGAL
Sat, Mar 7 - Sun, Mar 15
Scandinavian Airlines Logo
4:45 pm - 4:25 pm
SFO
-
LHR
15h 40m2 stops
Scandinavian Airlines Logo
10:20 am - 2:40 pm
LHR
-
SFO
36h 20m1 stop
$595Scandinavian Airlines
Mon, Apr 13 - Sat, May 9
Scandinavian Airlines Logo
7:10 am - 5:40 pm
SFO
-
LHR
26h 30m2 stops
Scandinavian Airlines Logo
6:05 pm - 3:35 pm
LHR
-
SFO
28h 30m2 stops
$596Scandinavian Airlines
Mon, Mar 2 - Mon, Mar 23
Scandinavian Airlines Logo
4:45 pm - 4:00 pm
SFO
-
LHR
15h 15m1 stop
Scandinavian Airlines Logo
6:40 am - 2:40 pm
LHR
-
SFO
16h 00m1 stop
$597Scandinavian Airlines
Sun, Apr 26 - Tue, May 5
TAP AIR PORTUGAL Logo
7:10 pm - 9:50 am
SFO
-
LGW
30h 40m1 stop
TAP AIR PORTUGAL Logo
10:10 am - 3:35 pm
LGW
-
SFO
60h 25m2 stops
$598TAP AIR PORTUGAL
Fri, Mar 6 - Sat, Mar 14
Multiple Airlines Logo
12:55 pm - 10:40 am
SFO
-
LHR
13h 45m1 stop
Multiple Airlines Logo
8:45 am - 4:10 pm
LHR
-
SFO
15h 25m1 stop
$598Multiple Airlines
Wed, Apr 15 - Wed, Apr 22
SWISS Logo
8:25 pm - 5:50 pm
SFO
-
LGW
14h 25m1 stop
SWISS Logo
6:40 pm - 5:30 pm
LGW
-
SFO
29h 50m1 stop
$599SWISS
Mon, Mar 9 - Mon, Mar 16
SWISS Logo
7:25 pm - 5:50 pm
SFO
-
LGW
14h 25m1 stop
SWISS Logo
6:40 pm - 4:30 pm
LGW
-
SFO
29h 50m1 stop
$600SWISS
Mon, Jan 19 - Mon, Jan 26
ITA Airways Logo
3:05 pm - 4:10 pm
SFO
-
LCY
17h 05m1 stop
ITA Airways Logo
4:45 pm - 2:05 pm
LCY
-
SFO
28h 20m1 stop
$624ITA Airways
Thu, Mar 5 - Wed, Mar 11

Lufthansa flights from San Francisco to Cambridge

Our best Lufthansa deals on San Francisco to Cambridge flight tickets
Lufthansa
Dec 10
SFO4:15 pmSan Francisco
13h 15m
1 stop
LHR1:30 pmLondon Heathrow
Jan 15
LHR3:50 pmLondon Heathrow
36h 20m
2 stops
SFO8:10 pmSan Francisco
$601
Find similar
Lufthansa
Apr 29
SFO8:10 amSan Francisco
14h 45m
1 stop
LHR6:55 amLondon Heathrow
May 4
LHR8:25 pmLondon Heathrow
26h 10m
1 stop
SFO2:35 pmSan Francisco
$612
Find similar
Lufthansa
Feb 14
SFO4:15 pmSan Francisco
13h 15m
1 stop
LHR1:30 pmLondon Heathrow
Mar 21
LHR8:45 amLondon Heathrow
18h 50m
1 stop
SFO8:35 pmSan Francisco
$615
Find similar

Delta flights from San Francisco to Cambridge

Our best Delta deals on San Francisco to Cambridge flight tickets
Delta
Jan 9
SFO4:30 pmSan Francisco
10h 10m
LHR10:40 amLondon Heathrow
Jan 28
LHR6:30 amLondon Heathrow
13h 20m
1 stop
SFO11:50 amSan Francisco
$614
Find similar
Delta
Apr 29
SFO3:55 pmSan Francisco
10h 45m
LHR10:40 amLondon Heathrow
May 8
LHR6:30 amLondon Heathrow
13h 15m
1 stop
SFO11:45 amSan Francisco
$629
Find similar
Delta
Dec 9
SFO7:00 amSan Francisco
16h 50m
1 stop
LHR7:50 amLondon Heathrow
Jan 8
LHR5:35 pmLondon Heathrow
27h 50m
1 stop
SFO1:25 pmSan Francisco
$630
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from San Francisco to Cambridge that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 832,500 searches. Data last updated December 8, 2025.
Use the filters below to find and compare flights from San Francisco to Cambridge that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

San FranciscoLondon

SFO - LHR

SFOLHR

San Francisco

Sat 1/10

4:40 pm-9:40 pm

1 stop21h 00m

London Heathrow

Wed 1/14

5:00 pm-2:35 pm

1 stop29h 35m

$594

San FranciscoLondon

SFO - LGW

SFOLGW

San Francisco

Sat 3/7

4:35 pm-9:50 am

1 stop33h 15m

London Gatwick

Sun 3/15

9:25 pm-3:35 pm

2 stops25h 10m

$595

San FranciscoLondon

SFO - LHR

SFOLHR

San Francisco

Mon 4/13

4:45 pm-4:25 pm

2 stops15h 40m

London Heathrow

Sat 5/9

10:20 am-2:40 pm

1 stop36h 20m

$595

San FranciscoLondon

SFO - LHR

SFOLHR

San Francisco

Mon 3/2

7:10 am-5:40 pm

2 stops26h 30m

London Heathrow

Mon 3/23

6:05 pm-3:35 pm

2 stops28h 30m

$596

San FranciscoLondon

SFO - LHR

SFOLHR

San Francisco

Sun 4/26

4:45 pm-4:00 pm

1 stop15h 15m

London Heathrow

Tue 5/5

6:40 am-2:40 pm

1 stop16h 00m

$597

San FranciscoLondon

SFO - LGW

SFOLGW

San Francisco

Fri 3/6

7:10 pm-9:50 am

1 stop30h 40m

London Gatwick

Sat 3/14

10:10 am-3:35 pm

2 stops60h 25m

$598

San FranciscoLondon

SFO - LHR

SFOLHR

San Francisco

Wed 4/15

12:55 pm-10:40 am

1 stop13h 45m

London Heathrow

Wed 4/22

8:45 am-4:10 pm

1 stop15h 25m

$598

San FranciscoLondon

SFO - LGW

SFOLGW

San Francisco

Mon 3/9

8:25 pm-5:50 pm

1 stop14h 25m

London Gatwick

Mon 3/16

6:40 pm-5:30 pm

1 stop29h 50m

$599

San FranciscoLondon

SFO - LGW

SFOLGW

San Francisco

Mon 1/19

7:25 pm-5:50 pm

1 stop14h 25m

London Gatwick

Mon 1/26

6:40 pm-4:30 pm

1 stop29h 50m

$600

San FranciscoLondon

SFO - LCY

SFOLCY

San Francisco

Thu 3/5

3:05 pm-4:10 pm

1 stop17h 05m

London City

Wed 3/11

4:45 pm-2:05 pm

1 stop28h 20m

$624

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to London from

How to get the cheapest flight ticket from San Francisco to Cambridge

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest month to fly to Cambridge?

In general, September is the cheapest month to fly from San Francisco to Cambridge. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $663. If you’re not able to fly to Cambridge in September, then October is your next best option. Flight prices from San Francisco to Cambridge during October average around $666.

What is the cheapest San Francisco to Cambridge flight route?

Fly from San Francisco to London Heathrow for the best San Francisco - Cambridge flight prices

How far in advance should I book a flight to Cambridge?

You are more likely to see cheaper flights to Cambridge from San Francisco when booking weeks ahead of your departure date. In general, you can expect to find flights to Cambridge for around $767 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Cambridge from San Francisco for as low as $714 on momondo.

What cabin class options are available on San Francisco to Cambridge flights?

There are 4 cabin classes available to choose from on San Francisco to Cambridge flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Can stopping save me money on San Francisco to Cambridge flights?

You could potentially save up to 78% on your flight if you consider stops on a San Francisco to Cambridge flight.

Cheap San Francisco to Cambridge flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from San Francisco to Cambridge

Fastest flight time

10h 10m

Direct flights

Every day

Airports in Cambridge

1 airport
The fastest flight from San Francisco to Cambridge takes 10h 10m
Direct flights go from San Francisco to Cambridge every day.
There is 1 airport near Cambridge: London Heathrow (LHR)
Search flight deals

  • When did momondo last update prices for flights from San Francisco Airport to Cambridge?

    Prices for flights from San Francisco Airport to Cambridge are updated daily.

  • How many operators does momondo search for flights from San Francisco Airport to Cambridge?

  • How old do you have to be to fly from San Francisco Airport to Cambridge?

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from San Francisco Airport to Cambridge.

  • What documentation or ID do you need to fly to Cambridge?

    The travel and health documents required for your trip to Cambridge can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Cambridge. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

  • What is the most popular plane model from San Francisco to Cambridge?

Best airlines flying from San Francisco to Cambridge

Compare and see reviews for airlines that fly from San Francisco to Cambridge with momondo
Airline
Rating
Free Cancellation
Price
JetBluePriceFrom $151Free CancellationRating
7.2
2,899 reviews
Search JetBlue flights
Scandinavian AirlinesPriceFrom $362Free CancellationRating
7.4
1,602 reviews
Search Scandinavian Airlines flights
TAP AIR PORTUGALPriceFrom $371Free CancellationRating
7.1
2,085 reviews
Search TAP AIR PORTUGAL flights
LufthansaPriceFrom $459Free CancellationRating
6.8
7,618 reviews
Search Lufthansa flights
Alaska AirlinesPriceFrom $494Free CancellationRating
8.0
11,419 reviews
Search Alaska Airlines flights
SWISSPriceFrom $513Free CancellationRating
7.5
1,807 reviews
Search SWISS flights
British AirwaysPriceFrom $514Free CancellationRating
6.7
7,571 reviews
Search British Airways flights
DeltaPriceFrom $541Free CancellationRating
7.9
8,011 reviews
Search Delta flights
Virgin AtlanticPriceFrom $569Free CancellationRating
7.5
675 reviews
Search Virgin Atlantic flights
United AirlinesPriceFrom $571Free CancellationRating
7.4
9,089 reviews
Search United Airlines flights

Why use momondo?

Why should I use momondo to find a flight deal from San Francisco to Cambridge?

It is quick and easy to find San Francisco to Cambridge flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Cambridge that suits you.

Can I find flights from San Francisco to Cambridge with flexible booking policies on momondo?

Yes. All flights to Cambridge from San Francisco on momondo can be compared and filtered by various policies on offer, including flexible booking.

How can momondo help me find flights from San Francisco to Cambridge?

Once you have performed a search for San Francisco to Cambridge flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

I’m not ready to book a flight from San Francisco to Cambridge right now. Can momondo alert me if prices change?

Of course. momondo tracks the price of San Francisco to Cambridge flights. All you need is a valid email address and we will do the rest; it is that quick and easy.

An easier way to manage your Cambridge trip

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